Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
   Subkingdom Pteridobiotina Britton & A. Br. (1896)
     Superdivision Cycadophytanae Doweld (2001) see Superphylum Cycadophytanae Doweld (2001)
       Division †Pteridospermatophyta Meyen
         Class †Peltaspermopsida Doweld (2001)
           Order †Umkomasiales Doweld (2001)
             Family †Umkomasiaceae Petriella (1981), nom. cons. prop.
               1 Genus †Komlopteris Barbacka (1994)
               2 Genus †Pachypteris Brongn. (1828)
               3 Genus †Pteruchus H.H.Thomas (1933)
               4 Genus †Sylvocarpus Naugolnykh (2008)
               5 Genus †Zuberia Freng. (1943) see Genus Dicroidium Gothan (1912)